Nothing contained in this chapter or any act amendatory thereof shall affect or impair the validity of any act done or right accruing, accrued or acquired, or any order, judgment, or status established prior to the enactment of this chapter or prior to the enactment of any act amendatory thereof. Persons admitted or certified pursuant to the provisions of article six or article seven of the mental hygiene law as it existed prior to the enactment of this chapter may be retained pursuant to the provisions of the respective articles but in no event to exceed a period of two years from the effective date of this chapter.
N.Y. Mental Hyg. Law § 91.03